In-beamγ-ray spectroscopic experiment for the deformed odd-A nucleus 179Pt has been performed via the 149Sm(35Cl, p4n) reaction at beam energy of 180 MeV. The 35Cl beam was provided by the tandem accelerator at the J...In-beamγ-ray spectroscopic experiment for the deformed odd-A nucleus 179Pt has been performed via the 149Sm(35Cl, p4n) reaction at beam energy of 180 MeV. The 35Cl beam was provided by the tandem accelerator at the Japan Atomic Energy Research Institute (JAERI). The target was an isotopic 149Sm foil of 1. 5 mg /cm2 thickness with a 5 me/cm2 Pb backing. Based on the measured results, three rotational展开更多
Study of in-beam γ-ray spectroscopy of 146Tb has been carried out by using the 118Sn(32S,1p3n)146Tb reaction. Based on the experimental measured results, the level scheme of 146Tb has been revised significantly and e...Study of in-beam γ-ray spectroscopy of 146Tb has been carried out by using the 118Sn(32S,1p3n)146Tb reaction. Based on the experimental measured results, the level scheme of 146Tb has been revised significantly and extended up to an excitation energy of 8.39 MeV. Preliminary results of the present work have been reported in a letter. The level structure shows characteristics of a spherical nucleus. The odd-odd nucleus 146Tb has one proton-particle and one neutron-hole with respect to the doubly closed nucleus 146Gd, and its low-展开更多
High-spin states in 145Tb have been populated using the 118Sn (32S, 1p4n) reaction at beam energy of 165 MeV. The level scheme of 145Tb has been established up to Ex ≈7.4 MeV. The level scheme shows characteristics o...High-spin states in 145Tb have been populated using the 118Sn (32S, 1p4n) reaction at beam energy of 165 MeV. The level scheme of 145Tb has been established up to Ex ≈7.4 MeV. The level scheme shows characteristics of a spherical or slightly oblate nucleus. Based on the systematic trends of the level structure in the neighboring N = 80 isotones, the level structure in 145Tb below 2 MeV excitation is well explained by coupling an h11/2valence proton to the even-even 144Gd core. Above 2 MeV excitation, most of the yrast levels are interpreted with multi-quasiparticle shell-model configurations.展开更多
基金Supported by National Natural science Foundation of China (10005012)Major State Basic Research Development Program (G2000077400)
文摘In-beamγ-ray spectroscopic experiment for the deformed odd-A nucleus 179Pt has been performed via the 149Sm(35Cl, p4n) reaction at beam energy of 180 MeV. The 35Cl beam was provided by the tandem accelerator at the Japan Atomic Energy Research Institute (JAERI). The target was an isotopic 149Sm foil of 1. 5 mg /cm2 thickness with a 5 me/cm2 Pb backing. Based on the measured results, three rotational
基金Supported by NSFC(10005012, 10025525, 10075062)Major State Basic Research Development Program (TG2000077400).
文摘Study of in-beam γ-ray spectroscopy of 146Tb has been carried out by using the 118Sn(32S,1p3n)146Tb reaction. Based on the experimental measured results, the level scheme of 146Tb has been revised significantly and extended up to an excitation energy of 8.39 MeV. Preliminary results of the present work have been reported in a letter. The level structure shows characteristics of a spherical nucleus. The odd-odd nucleus 146Tb has one proton-particle and one neutron-hole with respect to the doubly closed nucleus 146Gd, and its low-
基金This work was supported by the National Natural Science Foundation of China(Grant No.10005012)the Major State Basic Research Development Program of China(Contract No.TG2000077402).
文摘High-spin states in 145Tb have been populated using the 118Sn (32S, 1p4n) reaction at beam energy of 165 MeV. The level scheme of 145Tb has been established up to Ex ≈7.4 MeV. The level scheme shows characteristics of a spherical or slightly oblate nucleus. Based on the systematic trends of the level structure in the neighboring N = 80 isotones, the level structure in 145Tb below 2 MeV excitation is well explained by coupling an h11/2valence proton to the even-even 144Gd core. Above 2 MeV excitation, most of the yrast levels are interpreted with multi-quasiparticle shell-model configurations.
